Hamilton County Sheriff's Office
Since the start of Teen Mom in 2009, there have been a number of stars within the MTV franchise who've had trouble with the law.
"It was related to his charge last year before he went to rehab," a source told E! News of the arrest. "This is not anything new. It's not a new arrest for heroin. That was his original charge last April."
But Ryan isn't the only Teen Mom star with legal troubles. Let's take a look back at a history of Teen Mom arrests and mug shots.